package cn.qihua.dao.impl;

import java.util.List;

import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

import cn.qihua.dao.ISysResourceDAO;
import cn.qihua.model.SysResource;

/**
 * A data access object (DAO) providing persistence and search support for
 * SysResource entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see cn.qihua.model.SysResource
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class SysResourceDAO extends BaseHibernateDAO implements ISysResourceDAO {
	private static final Logger log = LoggerFactory
			.getLogger(SysResourceDAO.class);

	protected void initDao() {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#save(cn.qihua.model.SysResource)
	 */
	@Override
	public void save(SysResource transientInstance) {
		log.debug("saving SysResource instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#delete(cn.qihua.model.SysResource)
	 */
	@Override
	public void delete(SysResource persistentInstance) {
		log.debug("deleting SysResource instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findById(java.lang.Long)
	 */
	@Override
	public SysResource findById(java.lang.Integer id) {
		log.debug("getting SysResource instance with id: " + id);
		try {
			SysResource instance = (SysResource) getCurrentSession().get(
					"cn.qihua.model.SysResource", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByExample(cn.qihua.model.SysResource)
	 */
	@Override
	public List findByExample(SysResource instance) {
		log.debug("finding SysResource instance by example");
		try {
			List results = getCurrentSession()
					.createCriteria("cn.qihua.model.SysResource")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByProperty(java.lang.String, java.lang.Object)
	 */
	@Override
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding SysResource instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from SysResource as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByName(java.lang.Object)
	 */
	@Override
	public List findByText(Object text) {
		return findByProperty(TEXT, text);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByType(java.lang.Object)
	 */
	@Override
	public List findByType(Object type) {
		return findByProperty(TYPE, type);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByUrl(java.lang.Object)
	 */
	@Override
	public List findByUrl(Object url) {
		return findByProperty(URL, url);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByParentId(java.lang.Object)
	 */
	@Override
	public List findByParentId(Object parentId) {
		return findByProperty(PARENT_ID, parentId);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByParentIds(java.lang.Object)
	 */
	@Override
	public List findByParentIds(Object parentIds) {
		return findByProperty(PARENT_IDS, parentIds);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByPermission(java.lang.Object)
	 */
	@Override
	public List findByPermission(Object permission) {
		return findByProperty(PERMISSION, permission);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findByAvailable(java.lang.Object)
	 */
	@Override
	public List findByAvailable(Object available) {
		return findByProperty(AVAILABLE, available);
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#findAll()
	 */
	@Override
	public List findAll() {
		log.debug("finding all SysResource instances");
		try {
			String queryString = "from SysResource";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#merge(cn.qihua.model.SysResource)
	 */
	@Override
	public SysResource merge(SysResource detachedInstance) {
		log.debug("merging SysResource instance");
		try {
			SysResource result = (SysResource) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#attachDirty(cn.qihua.model.SysResource)
	 */
	@Override
	public void attachDirty(SysResource instance) {
		log.debug("attaching dirty SysResource instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see cn.qihua.dao.impl.ISysResourceDAO#attachClean(cn.qihua.model.SysResource)
	 */
	@Override
	public void attachClean(SysResource instance) {
		log.debug("attaching clean SysResource instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ISysResourceDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (ISysResourceDAO) ctx.getBean("SysResourceDAO");
	}
}